Alain Chelli – JRA4 Status Report – Opticon meeting – Corfu, September 11 th, 2007 1 Joint Research Activity # 4 Integrating Interferometry into Mainstream

Alain Chelli – JRA4 Status Report – Opticon meeting – Corfu, September 11Alain Chelli – JRA4 Status Report – Opticon meeting – Corfu, September 11thth, 2007 , 2007 1

Joint Research Activity Joint Research Activity # 4# 4

Integrating Interferometry into Mainstream Integrating Interferometry into Mainstream AstronomyAstronomy

Status ReportStatus Report

Corfu, September 11, 2007Corfu, September 11, 2007


ObjectivesObjectives

Contribute to integrate interferometry Contribute to integrate interferometry into main stream astronomyinto main stream astronomy

• Preparing the next generation of VLTI Preparing the next generation of VLTI interferometric focal plane instrumentsinterferometric focal plane instruments

• Providing the end-user of interferometric Providing the end-user of interferometric facilities such as ESO’s VLTI with a facilities such as ESO’s VLTI with a software to help visualize and interpret software to help visualize and interpret reduced & calibrated reduced & calibrated interferometric observables


ParticipantsParticipants

ParticipantsParticipants: 14 country (> 20 : 14 country (> 20 laboratories)laboratories)

Universität Wien (Austria)Universität Wien (Austria) Université de Liège (Belgium)Université de Liège (Belgium) Academy of Sciences (Czech Republic)Academy of Sciences (Czech Republic) Jean-Marie Mariotti Center for Interferometry, JMMC (France)Jean-Marie Mariotti Center for Interferometry, JMMC (France) Max-Planck-Institut für Astronomie (Germany)Max-Planck-Institut für Astronomie (Germany) Konkoly Observatory (Hungary)Konkoly Observatory (Hungary) Technion (Israel)Technion (Israel) Torino University (Italy)Torino University (Italy) Nederlandse Onderzoekschool Voor Astronomie, NOVA (The Netherlands)Nederlandse Onderzoekschool Voor Astronomie, NOVA (The Netherlands) Torun University (Poland)Torun University (Poland) Porto University (Portugal)Porto University (Portugal) Universidad Autonoma Madrid (Spain)Universidad Autonoma Madrid (Spain) Observatoire de Genève (Switzerland)Observatoire de Genève (Switzerland) University of Cambridge (United Kingdom)University of Cambridge (United Kingdom) European Space AgencyEuropean Space Agency European Southern ObservatoryEuropean Southern Observatory


Joint Research Activity # 4 Joint Research Activity # 4 ““Integrating interferometry into mainstream astronomy”Integrating interferometry into mainstream astronomy”

PC: Alain ChelliPC: Alain Chelli(http://eii-jra4.ujf-grenoble.fr)

WP1Advanced Instruments(2nd Generation VLTI Instruments)

WP1.1: Concepts to FeasibilityWPLs: Uwe Graser (Heidelberg)

& Denis Mourard (OCA)

WP1.2: Cophasing & fringe tracking

WPL: Mario Gai (Torino)

Objective: facilitate the use of modern interferometric facilities such as ESO’s VLTI to a non specialist end user

WP2: Off-line data reduction SoftwareWPL: Gilles Duvert (JMMC/LAOG) SPM: Gerard Zins (JMMC/LAOG)

500K€

500K€


WP1.1: Concept to WP1.1: Concept to feasibility studiesfeasibility studies WPL’s: U. Graser (Heidelberg) & D. Mourard WPL’s: U. Graser (Heidelberg) & D. Mourard (OCA)(OCA)

ObjectiveObjective: prepare the next generation of : prepare the next generation of VLTI interferometric focal plane instrumentsVLTI interferometric focal plane instruments

Two phasesTwo phases: : • Concept studies: 01-2004/04-2005Concept studies: 01-2004/04-2005• ESO phase A studies 10-2006/06-2007ESO phase A studies 10-2006/06-2007

project selection probably in 2008project selection probably in 2008


WP1.1: Instruments WP1.1: Instruments proposals developed proposals developed within JRA4 (1/2)within JRA4 (1/2) Four Infrared multi-beams combinersFour Infrared multi-beams combiners

• VitruvVitruv (Malbet et al.): 6 to 8 beam (Malbet et al.): 6 to 8 beam combiners with integrated optics (Near IR)combiners with integrated optics (Near IR)

• BobcatBobcat (Buscher et al.): 3 to 6 beams (Buscher et al.): 3 to 6 beams combiner (Near IR)combiner (Near IR)

• VidaVida (Lardiere et al.): 4 to 8 beams (Lardiere et al.): 4 to 8 beams combiners with densified pupil (Near IR)combiners with densified pupil (Near IR)

• Apres-MidiApres-Midi (Lopez et al.): Extension of Midi (Lopez et al.): Extension of Midi to 4 beamsto 4 beams


WP1.1: Instruments WP1.1: Instruments proposals developed proposals developed within JRA4 (2/2)within JRA4 (2/2) Two visible instrumentsTwo visible instruments

• UVES-I UVES-I (Quirrenbach et al.): fiber link from (Quirrenbach et al.): fiber link from VLTI to UVES spectrograph. Combination VLTI to UVES spectrograph. Combination of high spatial and high spectral resolutionof high spatial and high spectral resolution

• VEGAVEGA (Mourard et al.): 4 beams combiner (Mourard et al.): 4 beams combiner based on the visible spectrograph of GI2T based on the visible spectrograph of GI2T interferometerinterferometer


ESO/EII common ESO/EII common workshopworkshop

Instrument concepts presented at the ESO/EII Instrument concepts presented at the ESO/EII common workshop (6-8 April 2005)common workshop (6-8 April 2005)

Recommendation from the EII-SC to support Recommendation from the EII-SC to support 3 concepts for phase A studies:3 concepts for phase A studies:

• Apres-MidiApres-Midi (JRA4) (JRA4)• VitruvVitruv (JRA4) (JRA4)• GravityGravity (External) (External)


Selection of project by Selection of project by ESOESO

The 3 projects supported by the EII-SC have been The 3 projects supported by the EII-SC have been selected by ESO for phase A (10-2006)selected by ESO for phase A (10-2006)

JRA4 responsible recommended to the participants JRA4 responsible recommended to the participants of WP1.1 to focus their efforts towards the of WP1.1 to focus their efforts towards the selected projects, merging concepts whenever selected projects, merging concepts whenever possiblepossible• MATISSE MATISSE (Formerly Apres-Midi, Lopez et al.): (Formerly Apres-Midi, Lopez et al.):

dedicated 10dedicated 10μμm 4 beams combiner m 4 beams combiner • VSIVSI (Formely Vitruv, Malbet et al.): 6 to 8 beams (Formely Vitruv, Malbet et al.): 6 to 8 beams

near IR combiner based on Vitruv+Bobcatnear IR combiner based on Vitruv+Bobcat• GravityGravity (Eisenhauer et al.) (Eisenhauer et al.)


Kick-off meetings (phase Kick-off meetings (phase A)A)

MatisseMatisse: kick-off meeting for phase A held in : kick-off meeting for phase A held in Nice on November 16 2006 (30 participants)Nice on November 16 2006 (30 participants)• See See http://www.http://www.obsobs-nice.-nice.frfr//matissematisse

VSIVSI: kick-off meeting for phase A held in : kick-off meeting for phase A held in Grenoble on September 2006 (30 participants)Grenoble on September 2006 (30 participants)• See See

http://www-laog.obs.ujf-grenoble.fr/heberges/vsi/dmhttp://www-laog.obs.ujf-grenoble.fr/heberges/vsi/dmss

Phases A ended last summer (07/2007). Final Phases A ended last summer (07/2007). Final selection of 2selection of 2ndnd generation of VLTI instruments generation of VLTI instruments by ESO probably in 2008by ESO probably in 2008


WP1.1: Milestones & WP1.1: Milestones & DeliverablesDeliverables

Milestones & DeliverablesMilestones & Deliverables PlannedPlanned

(Month)(Month)AchieveAchieve

d d

(month)(month)

D1D1: Contributors to concept studies: Contributors to concept studies 33 33

M1M1: ESO/EII common workshop: ESO/EII common workshop 1616 1616

D2D2: Instruments concept reports: Instruments concept reports 1616 1616

D3D3: Contributors to phase A studies: Contributors to phase A studies 1616 2424

D4D4: ESO project selection for phase A : ESO project selection for phase A studiesstudies

3030 3434

D5D5 : ESO selection of 2 : ESO selection of 2ndnd generation of VLTI generation of VLTI instrumentsinstruments

>48>48


WP1.2: Cophasing & WP1.2: Cophasing & Fringe tracking Fringe tracking (WPL: M. Gai, (WPL: M. Gai, OATo/Torino)OATo/Torino)

Objectives Objectives Study problems related Study problems related to Cophasing & Fringe tracking, and to Cophasing & Fringe tracking, and favour collaborations between groupsfavour collaborations between groups

WP1.2 is supported by a working group WP1.2 is supported by a working group and is taking advantage of the Fizeau and is taking advantage of the Fizeau exchange visitor program (N5) exchange visitor program (N5) • 11stst meeting of the CFT working group held meeting of the CFT working group held

in Cambridge, September 29-30, 2005in Cambridge, September 29-30, 2005


WP1.2: activities (1/2)WP1.2: activities (1/2)

The activities within WP1.2 are focused The activities within WP1.2 are focused on the following topics:on the following topics:• Multiple beams combination schemesMultiple beams combination schemes (Col. (Col.

OATo/Technion): experiments for testing OATo/Technion): experiments for testing various recombination schemes based on various recombination schemes based on bulk opticsbulk optics

• Fringe tracking for second generation VLTI Fringe tracking for second generation VLTI instrumentsinstruments: Col. OATo/UCAM CAV on fringe : Col. OATo/UCAM CAV on fringe tracking for the VLTI spectro imager VSI (2 tracking for the VLTI spectro imager VSI (2 concepts proposed). Contacts are kept with concepts proposed). Contacts are kept with MATISSE consortiumMATISSE consortium


WP1.2: activities (2/2)WP1.2: activities (2/2)

• Current fringe tracking facilities at the Current fringe tracking facilities at the VLTIVLTI: ESO task force was able to close the : ESO task force was able to close the loop with Finito on both AT’s and UT’s loop with Finito on both AT’s and UT’s (2006). The two PRIMA FSU units (A and B) (2006). The two PRIMA FSU units (A and B) have been installed at ESO (Garching, have been installed at ESO (Garching, 2006). System integration and test for 2006). System integration and test for Preliminary Acceptance in Europe are in Preliminary Acceptance in Europe are in progress (PRIMA consortium)progress (PRIMA consortium)

• Evaluation of the effect of residual Evaluation of the effect of residual atmospheric turbulence on fringe trackingatmospheric turbulence on fringe tracking: : Under progress (Obs. Bordeaux)Under progress (Obs. Bordeaux)


WP1.2: Milestones & WP1.2: Milestones & DeliverablesDeliverables

Milestones & DeliverablesMilestones & Deliverables PlannePlannedd

(Month)(Month)

AchieveAchieved d

(month)(month)

D1D1: Contributors to concept studies: Contributors to concept studies 33 33

D2D2: 1: 1stst Progress Report on CFT* Progress Report on CFT* 2424 2424

D3D3: 2: 2ndnd Progress Report on CFT* Progress Report on CFT* 3636 3636

D4D4: 3: 3rdrd Progress Report on CFT* Progress Report on CFT* 4848

* New deliverables added in 2006


WP2: SoftwareWP2: SoftwareMaking the VLTI an end-to-end service Making the VLTI an end-to-end service

instrumentinstrument ObjectiveObjective: :

• Provide the end-user of interferometric facilities such Provide the end-user of interferometric facilities such as ESO’s VLTI with a software to help visualize and as ESO’s VLTI with a software to help visualize and interpret reduced & calibrated interpret reduced & calibrated interferometric observables

Present status:• Due to phasing problems and because some groups Due to phasing problems and because some groups

had yet their own technical solutions, none of the had yet their own technical solutions, none of the groups have used the technical solutions proposed by groups have used the technical solutions proposed by the WPL’s the WPL’s

• Also, the bar has been put very high in terms of Also, the bar has been put very high in terms of management and quality. Intermediate software management and quality. Intermediate software releases have been canceled but the final software will releases have been canceled but the final software will be unchanged be unchanged


Software requirements Software requirements for Interferometryfor Interferometry

Software needed:Software needed:• Preparation of observationPreparation of observation (feasibility (feasibility

study): software provided by ESO and JMMCstudy): software provided by ESO and JMMC• Calibrator selectionCalibrator selection: software provided by : software provided by

ESO and JMMCESO and JMMC• Signal processingSignal processing: software provided by : software provided by

consortiaconsortia• Modeling calibrated dataModeling calibrated data: developed within : developed within

JRA4JRA4• Image reconstructionImage reconstruction: developed within JRA4: developed within JRA4


WP2: Off-line Data WP2: Off-line Data ReductionReduction Software SoftwarePI: Gilles Duvert / SPM Gérard Zins (JMMC/LAOG)PI: Gilles Duvert / SPM Gérard Zins (JMMC/LAOG)

WP2.2: Common software based libraryTeam: JMMC/LAOG Technical team

WP2.3: Model-fitting (Model Interferometric Observables with (a)chromatic Models)

PI: Tallon-Bosc (JMMC/CRAL)

WP2.4: Astrometry (Orbit fitting, Parallax, Proper motion)PI: Quirrenbach (NEVEC/Leiden), Queloz (Unige)

WP2.1: Management & User Support Team: JMMC/LAOG

WP2.5: Image ReconstructionTeams: Cambridge – JMMC/CRAL/ONERA – FRINGE/MPIA/MPfR


WP2.1: Management & WP2.1: Management & User support User support (Duvert & Zins: (Duvert & Zins: JMMC/LAOG)JMMC/LAOG)

Web siteWeb site: : http://eii-jra4.ujf-grenoble.frhttp://eii-jra4.ujf-grenoble.fr• Communication between groupsCommunication between groups• Documentation (templates)Documentation (templates)• ReportingReporting• Software repositories & configurationSoftware repositories & configuration

Management planManagement plan: written: written StatusStatus: this activity consists now in : this activity consists now in

maintaining the web services including maintaining the web services including documentation & reportingdocumentation & reporting


WP2.2: Common WP2.2: Common softwaresoftware(Duvert & Zins: JMMC/LAOG)(Duvert & Zins: JMMC/LAOG)

Management planManagement plan: written: written User requirement documentUser requirement document: written: written Programming rulesProgramming rules: written: written Common librariesCommon libraries: most have been written: most have been written CodeCode: documented in situ & through web interface: documented in situ & through web interface StatusStatus: :

• This activity has slowed down in 2006 due to the growing This activity has slowed down in 2006 due to the growing discrepancy between the state of this WP and the state discrepancy between the state of this WP and the state of the client WP’s 2.3, 2.4, 2.5. of the client WP’s 2.3, 2.4, 2.5.

• Only one software release on 12-2007Only one software release on 12-2007


WP2.3: Model FittingWP2.3: Model Fitting(Tallon-Bosc: CRAL (Tallon-Bosc: CRAL → Gilles Duvert: LAOG)→ Gilles Duvert: LAOG)))

ObjectivesObjectives: fit inteferometric observables with : fit inteferometric observables with geometrical modelsgeometrical models

Management planManagement plan: written: written User requirement documentUser requirement document: written: written I. Tallon-Bosc replaced by G. Duvert as I. Tallon-Bosc replaced by G. Duvert as

coordinator in 2006coordinator in 2006 StatusStatus: A prototype version of this software : A prototype version of this software

based on a Yorick code has been presented at based on a Yorick code has been presented at the school of Gouttelas in 2006. The release of the school of Gouttelas in 2006. The release of the software package and user manual is the software package and user manual is scheduled for mid 2008scheduled for mid 2008


WP2.4: Astrometry WP2.4: Astrometry (PRIMA)(PRIMA)(Queloz/Geneva, Quirrenbach/Leiden)(Queloz/Geneva, Quirrenbach/Leiden)

Objectives: Objectives: Calculation of stellar relative parallactic Calculation of stellar relative parallactic motion & orbital parameters of binary systems motion & orbital parameters of binary systems (Geneva) + development of the Interactive Data (Geneva) + development of the Interactive Data Analysis Facility (Leiden) for PRIMA dataAnalysis Facility (Leiden) for PRIMA data

StatusStatus: work started in 2005: work started in 2005 Management planManagement plan: written: written Geneva groupGeneva group

• User requirement document released on 3/2007User requirement document released on 3/2007• Activity stopped (no more funds) within JRA4Activity stopped (no more funds) within JRA4


WP2.4: Status WP2.4: Status

Leiden groupLeiden group• Responsible people moved to Heidelberg Responsible people moved to Heidelberg

in 2006. Heidelberg University is not a in 2006. Heidelberg University is not a contractor of this project contractor of this project → WP2 → WP2 coordinator stops coordinating this sub-coordinator stops coordinating this sub-projectproject

We suggest to remove the final deliverable D4 We suggest to remove the final deliverable D4 (Software package & user manual) from this task. (Software package & user manual) from this task. Note that this software will continue to be Note that this software will continue to be developed within the PRIMA consortium. developed within the PRIMA consortium.


WP2.5: Image WP2.5: Image reconstructionreconstructionCRAL/ONERA/MPIfR/MPIA/UCAM-CAVCRAL/ONERA/MPIfR/MPIA/UCAM-CAV

ObjectiveObjective: provide algorithms for image : provide algorithms for image reconstruction from VLTI & LBT datareconstruction from VLTI & LBT data• UCAM/CAV: MEM regularization (VLTI data)UCAM/CAV: MEM regularization (VLTI data)• JMMC/CRAL/ONERA: MEM & quadratic reg. (VLTI data)JMMC/CRAL/ONERA: MEM & quadratic reg. (VLTI data)• MPIFR/MPIA: Lucy-Richardson Algorithm (LBT data)MPIFR/MPIA: Lucy-Richardson Algorithm (LBT data)

Management planManagement plan: written: written User Requirement DocumentUser Requirement Document: written: written


WP2.5: Status (1/2)WP2.5: Status (1/2)

JMMC/CRAL/ONERA GroupJMMC/CRAL/ONERA Group• E. Thiebaut is replaced by G. Duvert as responsible for this E. Thiebaut is replaced by G. Duvert as responsible for this

tasktask• The two prototypes Wisard & Mira have participated to the The two prototypes Wisard & Mira have participated to the

2005 & 2006 beauty contest2005 & 2006 beauty contest• Both prototypes are being tested with real dataBoth prototypes are being tested with real data• ONERA is currently documenting the Wisard code for public ONERA is currently documenting the Wisard code for public

release by the end of 2007release by the end of 2007

Cambridge groupCambridge group• The prototype BSMEM won the 2005 & 2006 image beauty The prototype BSMEM won the 2005 & 2006 image beauty

contestcontest• Robustness of the code has been tested (report in Robustness of the code has been tested (report in

preparation)preparation)• Software public release scheduled by the end of 2007 Software public release scheduled by the end of 2007


WP2.5: Status (2/2)WP2.5: Status (2/2)

MPIfR/MPIA GroupMPIfR/MPIA Group• MPIfR carried out computer and laboratory simulations MPIfR carried out computer and laboratory simulations

of image reconstruction from LBT data, with a special of image reconstruction from LBT data, with a special care to the problem of space varying point spread care to the problem of space varying point spread function; and also computer simulations in the context function; and also computer simulations in the context of science case studiesof science case studies

• The date of software release is not yet fixedThe date of software release is not yet fixed


WP2: Milestones & WP2: Milestones & Deliverables Deliverables (Statement of (Statement of work)work)MontMonthh

66 1212 1818 2424 3030 3636 4242 4848 5454 6060

WP2.WP2.11

D1D1

WP2.WP2.22

M1M1

D1D1M2M2

D2D2M3M3

D3D3M4M4

D4D4

WP2.WP2.33

M1M1

D1D1M2M2

D2D2M3M3

D3D3M4M4

D4D4

WP2.WP2.44

M1M1

D1D1M2M2

D2D2M3M3

D3D3M4M4

D4D4

WP2.WP2.55

M1M1

D1D1M2M2

D2D2M3M3

D3D3M4M4

D4D4* In red: intermediate releases cancelled


WP2: Milestones & WP2: Milestones & Deliverables (2/2)Deliverables (2/2)Milestones & DeliverablesMilestones & Deliverables PlannePlanne

dd

(Month)(Month)

AchieveAchieved d

(month)(month)

D1/WP2.1D1/WP2.1

D1D1: List of contributors : List of contributors 33 1212

M1+D1/WP2.2/WP2.3M1+D1/WP2.2/WP2.3

M1+D1/WP2.5M1+D1/WP2.5

M1+D1M1+D1: Design review+User : Design review+User requirementsrequirements

1818

18181818

2424

M4+D4/WP2.2M4+D4/WP2.2

M4+D4/WP2.3M4+D4/WP2.3

M4+D4/WP2.5M4+D4/WP2.5

M4+D4: M4+D4: Software release + user Software release + user manualmanual

54 54 →→ 4848

5454

60 60 →→ 48 48


WP2: ConclusionsWP2: Conclusions

Since the beginning of the WP2, definite Since the beginning of the WP2, definite progress has been made in half a dozen of progress has been made in half a dozen of research groups throughout EU. The WP2 will research groups throughout EU. The WP2 will reach the goal of providing the VLTI user reach the goal of providing the VLTI user community with the necessary tools for community with the necessary tools for interferometric data interpretationinterferometric data interpretation. .

Over the 5 software developed within JRA4:Over the 5 software developed within JRA4:• The three most urgent ones (model fitting & 2 The three most urgent ones (model fitting & 2

image reconstruction for VLTI) will be released on image reconstruction for VLTI) will be released on timetime

• The last two (PRIMA & LBT) will continue to be The last two (PRIMA & LBT) will continue to be developed within the respective consortia developed within the respective consortia


ParticipantParticipantTotal Total budget budget allocated allocated (euros)(euros)

Amount Amount spent spent (31/12/06)(31/12/06)

Money yet Money yet sent to this sent to this contactorcontactor

Budget Budget requested requested (next 18 m.)(next 18 m.)

Expected Expected cost by end cost by end of projectof project

Difference Difference between between cols 2 & 6cols 2 & 6

INSU/CNRSINSU/CNRS 255000255000 270585270585 270585270585 00 270585270585 -15585-15585

UCAM/CAVUCAM/CAV 100000100000 9370593705 8530485304 57005700 9940599405 +595+595

INAF/OAToINAF/OATo 6500065000 116073116073 9099190991 1800018000 134073134073 -69073-69073

MPIA+MPIfRMPIA+MPIfR 160000160000 121551121551 149551149551 3500035000 156551156551 +3449+3449

NOVANOVA 150000150000 114453114453 9927699276 00 114453114453 +35547+35547

UlgUlg 3500035000 00 2800028000 3500035000 3500035000 00

KOKO 2500025000 1105911059 1379913799 75007500 1855918559 +6441+6441

ONERAONERA 6500065000 5997959979 4433244332 00 5997959979 +5021+5021

CAUPCAUP 4000040000 2338923389 3438134381 1661016610 4000040000 00

TechnionTechnion 2500025000 2294122941 2954029540 00 2294822948 +2052+2052

NCU/UMKNCU/UMK 4000040000 1854118541 2268322683 1920019200 3774137741 +2259+2259

UNIGEUNIGE 4000040000 3439334393 3821938219 00 3439334393 +5607+5607

OOOO 2500025000 14101410 1200012000 00 14101410 +23590+23590

UNIVIEUNIVIE 3500035000 2211522115 2113521135 1052010520 3263632636 +2364+2364

TOTALTOTAL 10600001060000 910202910202 939797939797 147532147532 10577341057734 +2266+2266

Budget: by the end of the project the balance of JRA4 finances will be positive with an excess of about 2K€Manpower: the manpower dedicated to JRA4 for the first 3 years is about 600 man.month (2/3 from own laboratory resources and 1/3 from Europe)


Major MeetingsMajor Meetings

5 major meetings (3 JRA4 + 2 NA5)5 major meetings (3 JRA4 + 2 NA5)• JRA4 Kick-off (Nice 01/2004, 40 participants)JRA4 Kick-off (Nice 01/2004, 40 participants)• Joint EII/ESO workshop (Garching, 04/2005, 150 part.)Joint EII/ESO workshop (Garching, 04/2005, 150 part.)• Joint ARENA/JRA4 workshop (Nice, 05/2006, 30 part.)Joint ARENA/JRA4 workshop (Nice, 05/2006, 30 part.)• Science cases (JENAM 08/2004, N5, Science cases (JENAM 08/2004, N5, ≈ 25 participants ≈ 25 participants ))• Technology roadmap (JENAM, 08/2005, N5, Technology roadmap (JENAM, 08/2005, N5, ≈ 25 part.≈ 25 part.))

Marie-Curie program: 2006-2008Marie-Curie program: 2006-2008• 4 interferometry schools (4 interferometry schools (≈ 55 participants)≈ 55 participants)

EII Scientific CouncilEII Scientific Council• 13 meetings since its creation in 2002 (13 meetings since its creation in 2002 (≈ 20 ≈ 20

participants)participants)


Major AchievementsMajor Achievements

VLTI efforts in close coordination with ESOVLTI efforts in close coordination with ESO• Jump-started VLTI 2Jump-started VLTI 2ndnd generation instruments generation instruments• Contribution to the optimization of VLTI performancesContribution to the optimization of VLTI performances

− Fringe tracking & CophasingFringe tracking & Cophasing− Model fitting software (Goutelas summer school, 2006)Model fitting software (Goutelas summer school, 2006)− Image reconstruction software (Beauty contest)Image reconstruction software (Beauty contest)

Emergence of a long term prospectiveEmergence of a long term prospective• Initiated science case and technology roadmap for Initiated science case and technology roadmap for

next-generation facility (N5)next-generation facility (N5) Birth of an interferometric European communityBirth of an interferometric European community

• Contribution to the Integration and Expansion of Contribution to the Integration and Expansion of European interferometric community including Central European interferometric community including Central EuropeEurope

• Creation of the Euro-Interferometry Initiative (EII) Creation of the Euro-Interferometry Initiative (EII)


6th Framework Program

Integrated Infrastructure Initiatives (I3)

OPTICONPC: Gerry Gilmore / PS: John Davies

Marie-Curie ProgramPC: P. Garcia

JRA4PC: Chelli

Network 5PC: A.Quirrenbach

Euro-Interferometry Initiative (EII)

Executive Board Scientific CouncilChair: T. Henning


FP7 proposal (1/3)FP7 proposal (1/3)

TopicsTopics• Reaching the full VLTI potentialReaching the full VLTI potential• Preparation of next generation facilities Preparation of next generation facilities

(km baselines)(km baselines)

MeansMeans• 1 JRA (Proposed PI: D. Mourard) 1 JRA (Proposed PI: D. Mourard) • 1 Network (Proposed PI: P. Garcia)1 Network (Proposed PI: P. Garcia)

Budget Budget ≈≈ 1600 K 1600 K€€



Coordination, Communication, OutreachCoordination, Communication, Outreach Astrophysical working groupsAstrophysical working groups

• long term vision of interferometrylong term vision of interferometry• Support to the VLTI scientific exploitationSupport to the VLTI scientific exploitation

European mobilityEuropean mobility• Fizeau exchange programFizeau exchange program

Reaching the full VLTI potential (in Reaching the full VLTI potential (in coordination with ESO)coordination with ESO)

• High level software: reduction pipelines, image High level software: reduction pipelines, image reconstructionreconstruction

• Cophasing Cophasing →→ long exposure modes long exposure modes →→ higher sensitivity higher sensitivity



Prospective work: Preparation of Next Prospective work: Preparation of Next generation interferometers (km baselines)generation interferometers (km baselines)

• Science casesScience cases• Comparison of arrays: number of apertures & sizeComparison of arrays: number of apertures & size• Beam combiners & cophasing: large number of Beam combiners & cophasing: large number of

aperturesapertures• Relative merits of sitesRelative merits of sites• Identification of critical technological issuesIdentification of critical technological issues

Technology programTechnology program• Short term: beam transport, combination, cophasingShort term: beam transport, combination, cophasing• Mid-term: follow-up of the prospective work, new Mid-term: follow-up of the prospective work, new

actionsactions

Documents

Alain Chelli – JRA4 Status Report – Opticon meeting – Corfu, September 11 th, 2007 1 Joint Research Activity # 4 Integrating Interferometry into Mainstream